كتب ذات صلة

A treatise on milch cows, whereby the quality and quantity of milk which any cow will give may be accurately determined by observing natural marks or external indications alone; the length of time she will continue to give milk, &c.

The sterility of cows, its causes and treatment

The cow

A treatise on milch cows : whereby the quality and quantity of milk which any cow will give may be accurately determined by observing natural marks or external indications alone : the length of time she will continue to give milk, &c.

• Van Pelt''s cow demonstration
  المؤلفون: Van Pelt, Hugh G.
• How to feed the dairy cow breeding and feeding dairy cattle
  المؤلفون: Van Pelt, Hugh G.
• Half a ton of butter per cow per year
  المؤلفون: Van Pelt, Hugh G.